Litter box



FIG. 1 is a top front perspective view of a litter box showing my newdesign;

FIG. 2 is a bottom front perspective view thereof;

FIG. 3 is a top rear perspective view thereof;

FIG. 4 is a bottom rear perspective view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a fear view thereof;

FIG. 7 is a right-side view thereof;

FIG. 8 is a left-side view thereof;

FIG. 9 is a top view thereof; and,

FIG. 10 is a bottom view thereof.

The broken lines shown in the drawings depict portions of a litter boxthat form no part of the claimed design.

CLAIM The ornamental design for a litter box, as shown and described.